The word between is the abbreviation for circa. They abbreviated it about three different ways but it is used to say, "This plant grows near _____." Hortensis is mainly used to refer to garden plants, cultivated plants. Domesticus is used for field plants (agricultural plants), agrestis for wild plants.
So, if you see herba c'c ortensis, it usually means it grows near cultivated (or disturbed) areas. This is true of many plants, they like ecosystems where the ground has been dug up and loosened.
Also, they will compare the leaves to many similar plants. For example, folis similar to iris, or similar to mint or portulaca, well known plants. This manuscript frequently refers to roots as c'ce9 croceus (which is not a reference to crocus, it refers to roots with tendrils that spread (like the common buttercup)).
So, if you see herba c'c ortensis, it usually means it grows near cultivated (or disturbed) areas. This is true of many plants, they like ecosystems where the ground has been dug up and loosened.
Also, they will compare the leaves to many similar plants. For example, folis similar to iris, or similar to mint or portulaca, well known plants. This manuscript frequently refers to roots as c'ce9 croceus (which is not a reference to crocus, it refers to roots with tendrils that spread (like the common buttercup)).